P
US9150225B2ActiveUtilityPatentIndex 44

Safety device for railway vehicles

Assignee: VALE SAPriority: Jul 6, 2012Filed: Jul 8, 2013Granted: Oct 6, 2015
Est. expiryJul 6, 2032(~6 yrs left)· nominal 20-yr term from priority
Inventors:SOMENSI CAUE STOCCHI
B61F 19/06B61D 15/06
44
PatentIndex Score
2
Cited by
11
References
17
Claims

Abstract

A safety device for railway vehicles is provided, more specifically a safety device that reduces the negative consequences resulting from collisions or pedestrian accidents involving railway vehicles. As such, the railway vehicle safety device consists of a main impact dampening area and at least one secondary support and resistance area, with the safety device being installed on the railway vehicle's front end, so that the main impact dampening area dampens the force of the impact caused by a collision between the vehicle and a pedestrian.

Claims

exact text as granted — not AI-modified
The invention claimed is: 
     
       1. A safety device for railway vehicles to reduce negative consequences resulting from collisions with objects or pedestrian accidents in railways, the safety device comprising:
 a main impact dampening area; and 
 at least two secondary support and resistance areas; 
 wherein the safety device is installed on a front of a railway vehicle in such a way that the main impact dampening area dampens a force of impact created by the railway vehicle when colliding with an object or pedestrian, and 
 wherein the main impact dampening area and the secondary support and resistance areas include inflatable bags, and an internal pressure in the main impact dampening area is less than that of the secondary support and resistance areas, and 
 wherein an inflatable bag of a first of the secondary support and resistance areas extends in a plane that runs parallel to the vehicle's front end and an inflatable bag of a second of the secondary support and resistance areas comprises a part that sticks out from the lower end of the first secondary support and resistance area. 
 
     
     
       2. The safety device according to  claim 1 , comprising a tilt mechanism that tilts the safety device's body laterally in relation to a direction in which the railway vehicle is traveling. 
     
     
       3. The safety device according to  claim 1 , wherein the inflatable bag of the second of the secondary support and resistance areas protrudes from the main impact dampening area. 
     
     
       4. The safety device according to  claim 1 , wherein inflatable side bags of a third and a fourth of the secondary support and resistance areas protrudes from the first secondary area. 
     
     
       5. The safety device according to  claim 4 , wherein the inflatable side bags extend at an inclined angle in relation to a plane that runs parallel to rails of the railway. 
     
     
       6. The safety device according to  claim 4 , comprising a mesh or elastic net that joins at least three of the secondary resistance and support areas. 
     
     
       7. The safety device according to  claim 1 , comprising a casing installed on the front end of the railway vehicle, the casing configured to receive therein the main impact dampening area and the support and resistance areas when the safety device is not activated. 
     
     
       8. The safety device according to  claim 1 , wherein the main impact dampening area includes a mesh or elastic net and the at least two secondary support and resistance areas are comprised of inflatable side bags. 
     
     
       9. The safety device according to  claim 8 , comprising an upper mesh or an upper elastic net that joins the inflatable side bags. 
     
     
       10. The safety device according to  claim 8 , comprising a direction area comprising a crossbar connected to the side bags. 
     
     
       11. The safety device, according to  claim 1 , comprising a filling mechanism arranged to inflate the inflatable bags with a fluid selected from a group consisting of oxygen, nitrogen, carbon dioxide, helium, ozone and compressed air, wherein the fluid is from one or more of an electrochemical reaction and a chemical reaction; the fluid capable of transformation by compression, vaporization and sublimation effects and wherein the safety device is arranged for a velocity of fluid flow within the safety device to vary between 1 L/m-200 m 3 /s. 
     
     
       12. A safety device for railway vehicles to reduce negative consequences resulting from collisions with objects or pedestrian accidents in a railway, the safety device comprising:
 a main impact dampening area; and 
 at least three secondary support and resistance areas; 
 wherein the safety device is installed on a front end of a railway vehicle in such a way that the main impact dampening area dampens a force of impact created by the railway vehicle when colliding with an object or pedestrian, and 
 wherein the main impact dampening area and the secondary support and resistance areas include inflatable bags, and an internal pressure in the main impact dampening area is less than that of the secondary support and resistance areas, and 
 wherein an inflatable bag of a first of the secondary support and resistance areas extends in a plane parallel to the vehicle's front end and inflatable side bags of a second and a third of the secondary support and resistance areas sticks out from the first secondary area. 
 
     
     
       13. The safety device according to  claim 12 , wherein the inflatable side bags extend at an inclined angle in relation to a plane that runs parallel to rails of the railway. 
     
     
       14. The safety device according to  claim 12 , comprising a support area that sticks out from a lower end of the first secondary support and resistance area, the support area comprising an inflatable bag. 
     
     
       15. The safety device according to  claim 12 , comprising a mesh or elastic net that joins the at least three secondary resistance and support areas. 
     
     
       16. A safety device for railway vehicles to reduce negative consequences resulting from collisions with objects or pedestrian accidents in a railway, the safety device comprising:
 a main impact dampening area; and 
 at least two secondary support and resistance areas; 
 wherein the safety device is installed on a front of a railway vehicle in such a way that the main impact dampening area dampens a force of impact created by the railway vehicle when colliding with an object or pedestrian, and 
 wherein the main impact dampening area includes a mesh or elastic net and the support and resistance areas are comprised of inflatable side bags. 
 
     
     
       17. The safety device according to  claim 16 , comprising an upper mesh or upper elastic net that joins the inflatable side bags.

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